<template>
  <div>
    <!-- 表单 -->
    <add-employee>
      <el-form ref="addForm" :model="formData" label-width="120px" :rules="rules">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
        </el-form-item>
        <el-form-item label="入职时间" prop="timeOfEntry">
          <el-date-picker v-model="formData.timeOfEntry" type="date" style="width:50%" placeholder="请选择入职时间" />
        </el-form-item>
        <el-form-item label="聘用形式" prop="formOfEmployment">
          <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
            <el-option
              v-for="item in hireType"
              :key="item.id"
              :label="item.value"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="工号" prop="workNumber">
          <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
        </el-form-item>
        <el-form-item label="部门" prop="departmentName">
          <el-input v-model="formData.departmentName" style="width:50%" placeholder="请选择部门" @focus="departmentNameFocus" />
          <div v-show="showTree" class="tree-box">
            <el-tree :data="departmentList" :props="{ label: 'name' }" @node-click="hNodeClick" />
          </div>
        </el-form-item>
        <el-form-item label="转正时间" prop="correctionTime">
          <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
        </el-form-item>
        <el-form-item>
          <el-button @click="hCancel">取消</el-button>
          <el-button type="primary" @click="hSubmit">确定</el-button>
        </el-form-item>
      </el-form>
    </add-employee>
  </div>

</template>

<script>
// 引入枚举信息
import EmployeeEnum from '@/constant/employees'
console.log('数据', EmployeeEnum.hireType)
// 引入api方法
import { getDepartments } from '@/api/departments.js'// 获取部门
// 引入树形结构转换方法
import { tranListToTreeData } from '@/utils/index.js'// 数组转数
import { addEmployee } from '@/api/employees'
export default {
  data() {
    return {
      showTree: false, // 是否显示部门列表
      departmentList: [],
      hireType: EmployeeEnum.hireType,
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur'] }
        ]
      }
    }
  },
  mounted() {
    this.loadDepartments()
  },
  methods: {
    //   点击输入框，获取焦点，拿到数据
    departmentNameFocus() {
      this.loadDepartments()
      this.showTree = true // 显示部门列表
    },
    // 点击取消的时候
    hCancel() {
      this.$emit('close')
    },
    async doAdd() {
      try {
        const res = await addEmployee(this.formData)
        console.log('添加之后，后端的返回值', res)
        this.$message.success('添加成功')

        // 1 .通知父组件去关闭弹层
        this.$emit('close')

        // 2. 通知父组件去更新表格数据
        this.$emit('update-empolyee')
      } catch (err) {
        this.$message.error(err.message)
      }
    },
    hSubmit() {
      this.$refs.addForm.validate(valid => {
        // if (!valid) {
        //   console.log('验证不通过')
        //   return
        // }
        // // 做添加
        // this.doAdd()
        valid && this.doAdd()
        // if(valid) {
        //   this.doAdd()
        // }
      })
    },
    // 把表单的数据项清空
    resetForm() {
      // 1. 把表单的数据项清空
      this.formData.username = '' // 用户名
      this.formData.mobile = '' // 手机号
      this.formData.formOfEmployment = '' // 聘用形式
      this.formData.workNumber = '' // 工号
      this.formData.departmentName = '' // 部门
      this.formData.timeOfEntry = '' // 入职时间
      this.formData.correctionTime = ''// 转正时间

      // 2. 把验证结果清空
      this.$refs.addForm.clearValidate()
    },
    async loadDepartments() {
      const rs = await getDepartments()
      console.log('获取部门信息', rs)
      // depts是数组 但不是树形, 需要转换成属性结构, 才能被 el-tree 展示
      this.treeData = tranListToTreeData(rs.data.depts)
      console.log('把部门信息转成树', this.treeData)
      this.departmentList = this.treeData
    },
    // 用户在部门结构树上点击
    hNodeClick(data, node) {
      console.log('用户在部门结构树上点击', data, node)
      // 如果当前部门还有子部门，则不能选中
      if (data.children.length) {
        return
      }
      console.log('选中的是', data.name)
      // 1. 把当前选中的显示在input框中
      this.formData.departmentName = data.name
      // 2. 隐藏tree
      this.showTree = false
    }

  }
}
</script>
